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| KTP(Potassium Titanium Oxide Phosphate): |
| Basic Properties:
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| 1. Structural and Physical Properties |
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| Chemical formula |
KTiOPO4 |
| Crystal structure |
Orthorhombic£¬ Point group mm2 |
| Cell parameters |
a=6.404A, b=10.616A, c=12.814A Z=8 |
| Melting point |
1172? Incongruent |
| Curie point |
936? |
| Mohs hardness |
¡Ö5.0 |
| Density |
2.945g/cm3 |
| Linear absorption coefficients |
a<0.001cm-1 @¦Ë=1064nm or 532nm |
| Hygroscopic susceptibility |
-- |
| Relative dielectric constant |
eeff =13 |
| Specific heat |
0.1643 cal/g? |
| Electrical conductivity |
3.5¡Á10-8 s/cm(C-axis£¬22?,1KHz) |
| Thermal conductivity |
13W/m/k |
| 2.Linear
Optical Properties |
|
| >Transparency range: |
| >350-4500nm.see transparency curve |
| >Refractive indices |
| Wavelength |
nx |
nv |
nz |
| 1064nm |
1.7377 |
1.7453 |
1.8297 |
| 532nm |
1.7780 |
1.7886 |
1.8887 |
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| Therm-optic coefficients: |
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| dnx/dT=1.1¡Á10-5/? |
dnv/dT=1.3¡Á10-5/? |
dnz/dT=1.6¡Á10-5/? |
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| Sellmeier equations: |
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| n2x=3.0065+0.03901/(¦Ë2-0.04251)-0.01327¦Ë2 |
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| n2V=3.0333+0.04154/(¦Ë2-0.04547)-0.01408¦Ë2 |
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| n2Z=3.3134+0.05694/(¦Ë2-0.05658)-0.01682¦Ë2 |
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| 3. Nonlinear
Optical Properties |
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| Phase-matchable output range: 492-1700nm |
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| NLO coefficients: |
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| d31=2.54pm/V, d32=4.35pm/V, d33=16.pm/V, |
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| d24=3.64pm/V, d15=1.91pm/V, at 1064nm |
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| deff (11)¡Ö(d24-d15)sin2¦Õsin2¦È-(
d15sin2¦Õ+ d24cos2¦Õ)sin¦È |
| Electri-optic coefficients: |
Low frequency |
High frequency |
| |
(pm/V) |
(pm/V) |
| ¦Ã13 |
9.5 |
8.8 |
| ¦Ã23 |
15.7 |
13.8 |
| ¦Ã33 |
36.3 |
35.0 |
| ¦Ã51 |
7.3 |
6.9 |
| ¦Ã42 |
9.3 |
8.8 |
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